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International Journal of Automotive Technology > Volume 25(1); 2024 > Article
International Journal of Automotive Technology 2024;25(1): 71-82.
doi: https://doi.org/10.1007/s12239-024-00012-y
Comparative Study on Brake PM10 Emissions of Vehicle and Brake Dynamometer Under Different Road Conditions
Sungpil Jung , Chanhyuk Nam , Pilgu Lee , Seoyeon Ahn , Sungjin Choi
Korea Automotive Technology Institute
PDF Links Corresponding Author.  Sungpil Jung  , Email. spjung@katech.re.kr
ABSTRACT
This study proposes a system that can collect and analyze the brake particle matter generated from a vehicle and brake dynamometer. A dust cover is developed to collect brake particle matter, and the number of particle matter by size is measured using a portable aerosol spectrometer. Brake PM 10 generated when the vehicle is driving on highways, country and city roads is collected and analyzed. Based on the vehicle driving data, the test mode for the brake dynamometer is developed using the relationship between brake energy and brake power. The same brake fi ne dust collection and measurement system as the vehicle is installed on the brake dynamometer, and brake PM 10 generated according to the test mode for each road condition is collected and analyzed. As a result, the total number of brake PM 10 collected from the vehicle and brake dynamometer shows about maximum of 20% error rate for each road condition. The Pearson correlation coeffi cient for the test results is 0.9988, and it means that the vehicle and brake dynamometer test results has a strong positive relationship.
Key Words: Vehicle · Brake dynamometer · Brake particle matter · Dust cover · PM 10 · Test mode
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